Здравствуйте! Помогите пожалуйста:Раскройте скобки, употребляя глаголы в одном из последующих

Здрасти! Помогите пожалуйста:
Раскройте скобки, употребляя глаголы в одном из последующих времен: Present, Past, Future Simple; Present, Past Continuous:
1. Look at these children: they (to skate) very well. 2. You (to skate) last Sunday? Yes, we (to skate) the whole day last Sunday. We (to skate) again next Sunday. 3. My brother can skate very well. He (to skate) every Sunday. 4. What you (to do) now? I (to wash) the dishes. 5. What you (to do) at five o'clock yesterday? I (to work) in the library. I (to be) there, too, but I (not to see) you. 6. Yesterday I (to work) at my English from five till seven. 7. It (to rain) the whole day yesterday. 8. Where your sister (to be) now? She (to be) in her room. She (to do) her homework. 9. My friend (to ring) me up at eight o'clock yesterday.